[单项选择]A "greenhouse effect" will raise the earth’’s temperature enough by the year 2100 to cause dramatic climate changes, increase sea levels and disrupt food production, United States scientists said this week. 　　The earth’’s atmosphere is heating at a rate that could mean temperature rises of two degrees centigrade by the middle of the 21st century and five degrees centigrade by the year 2100, according to a report issued by the US government’’s Environmental Protection Agency (EPA). 　　"Substantial increases in global warming may occur sooner than most of us would like to believe," the EPA said. 　　The agency said the first effects might be felt as early as 1990, because temperatures would be rising more than seven times faster each decade between now and the year 2100 than they had been for the past 100 years. 　　"Temperature increases are likely to be accompanied by dramatic changes in precipitation and storm patterns and a rise in global average sea level," the EPA report said. 　　"A
A. the earth might cease getting warmer perceivably.
B. the earth would slow its pace of warming evenly.
C. the warming process would be affected slightly.
D. the warming trend would be checked gradually.

更多"A 'greenhouse effect' will raise th"的相关试题:

[单项选择]A "greenhouse effect" will raise the earth’’s temperature enough by the year 2100 to cause dramatic climate changes, increase sea levels and disrupt food production, United States scientists said this week. 　　The earth’’s atmosphere is heating at a rate that could mean temperature rises of two degrees centigrade by the middle of the 21st century and five degrees centigrade by the year 2100, according to a report issued by the US government’’s Environmental Protection Agency (EPA). 　　"Substantial increases in global warming may occur sooner than most of us would like to believe," the EPA said. 　　The agency said the first effects might be felt as early as 1990, because temperatures would be rising more than seven times faster each decade between now and the year 2100 than they had been for the past 100 years. 　　"Temperature increases are likely to be accompanied by dramatic changes in precipitation and storm patterns and a rise in global average sea level," the EPA report said. 　　"A
A. a greenhouse effect will occur drastically.
B. world’’s climate will defy inhabitation.
C. agriculture will be thrown into disorder.
D. most coastal cities will be submerged.

查看答案

我来回答:

提交